Hello,
Go to pages > edit Front page > edit the Products element > find checkbox “Lazy Loading for the element” at the very bottom of all the Products element options and disable it https://prnt.sc/qdvxz6
Also, read this article – https://xstore.helpscoutdocs.com/article/100-how-to-speed-up-my-website
You can use Lightshot Screenshot tool https://app.prntscr.com/en/index.html and provide the link to the screenshot here.
Regards